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352 pages, Paperback
First published January 1, 1986
They are very active animals, with voracious appetites. Shrews have an unusually high metabolic rate, above that expected in comparable small mammals. Shrews typically eat 80–90% of their own body weight in food daily.Based on their biology, shrews are the obvious candidate for a conquering horde simply because they need to eat so much. They'd be like locusts, swarming the countryside and literally eating everything in their paths.